Every major AI,
explained
In-depth guides to all the major AI assistants and model families: what each is, what it's good for, how to use it, and what it costs. Read them right here, no email required.
Which AI should you use?
A practical comparison of the major AI assistants and model families (Claude, ChatGPT, Gemini, Grok, Perplexity, the Copilots, and the open-weight models Llama, Mistral, DeepSeek, and Qwen): what each is best at, what they cost, and how to choose.
Compare them all →Claude
Anthropic's assistant, known for careful reasoning, strong writing, and the best end-to-end coding experience of the major chatbots.
Read the guide →OpenAI · 9 minChatGPT
OpenAI's assistant and the most widely used chatbot, a generalist with the broadest feature set: voice, image generation, web browsing, data analysis, and custom GPTs.
Read the guide →Google · 8 minGemini
Google's AI assistant, natively multimodal, with the largest context window of the major models and deep integration across Search, Workspace, and Android.
Read the guide →xAI · 7 minGrok
xAI's assistant, built into X (formerly Twitter), fast, willing to be blunt, and uniquely tied to real-time social data.
Read the guide →Mistral AI · 8 minMistral
A European AI lab known for strong open-weight models you can self-host, plus Le Chat, a fast assistant with a real data-control story.
Read the guide →DeepSeek (China) · 8 minDeepSeek
A Chinese lab whose open-weight models, especially the R1 reasoning model, matched frontier quality at a fraction of the cost, and reset expectations for AI pricing.
Read the guide →Alibaba · 8 minQwen
Alibaba's open-weight model family, one of the broadest and most-downloaded, spanning tiny on-device models to large multimodal and coding variants.
Read the guide →Perplexity AI · 7 minPerplexity
An AI answer engine: ask a question, get a direct answer written from a live web search, with numbered citations to every source.
Read the guide →Meta · 8 minLlama
Meta's open-weight model family, the most widely downloaded foundation for self-hosted and on-device AI, free to run and fine-tune under a community license.
Read the guide →Microsoft · 8 minMicrosoft Copilot
Microsoft's assistant, embedded across Windows, Microsoft 365, and Edge, built on OpenAI's models and grounded in your organization's own work data.
Read the guide →GitHub / Microsoft · 8 minGitHub Copilot
The AI pair programmer built into your editor, offering inline code completion, chat about your repo, and an agent mode across VS Code, JetBrains, and GitHub.
Read the guide →